Random samples of 200 observations were selected from each of three populations, and each observation was classified according to whether it fell into one of three mutually exclusive categories. Is there sufficient evidence to indicate that the proportions of observations in the three categories depend on the population from which they were drawn?

2. Give the rejection region for the test using a=.01.

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Category Population 1 2 3 Total 123 108 52 40 200 2 87 51 62 200 112 39 49 200